Home / 264,266,200.80-396,399,301.20-72,789,976.80

Finding the Fourth Proportional to 264,266,200.80, 396,399,301.20 and 72,789,976.80

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Solution

The fourth proportional to 264,266,200.80, 396,399,301.20 and 72,789,976.80 is: 109,184,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,266,200.80 : 396,399,301.20 = 72,789,976.80 : x
  2. Step 2: Convert to fraction form
    264,266,200.80/396,399,301.20 = 72,789,976.80/x
  3. Step 3: Cross multiply
    264,266,200.80x = 396,399,301.20 × 72,789,976.80
  4. Step 4: Simplify right side
    264,266,200.80x = 28,853,895,937,884,212
  5. Step 5: Solve for x
    x = 28,853,895,937,884,212/264,266,200.80
  6. Step 6: Final answer
    x = 109,184,965.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.